IL82108A - Composite membranes,their preparation and their use for separating organic compounds of low molecular weight from aqueous,inorganic salt containing solutions - Google Patents

Composite membranes,their preparation and their use for separating organic compounds of low molecular weight from aqueous,inorganic salt containing solutions

Info

Publication number
IL82108A
IL82108A IL82108A IL8210887A IL82108A IL 82108 A IL82108 A IL 82108A IL 82108 A IL82108 A IL 82108A IL 8210887 A IL8210887 A IL 8210887A IL 82108 A IL82108 A IL 82108A
Authority
IL
Israel
Prior art keywords
aqueous
preparation
molecular weight
low molecular
organic compounds
Prior art date
Application number
IL82108A
Other languages
English (en)
Other versions
IL82108A0 (en
Original Assignee
Aligena Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aligena Ag filed Critical Aligena Ag
Publication of IL82108A0 publication Critical patent/IL82108A0/xx
Publication of IL82108A publication Critical patent/IL82108A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B01D67/00933—Chemical modification by addition of a layer chemically bonded to the membrane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0095—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/04—Tubular membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/06—Flat membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1213—Laminated layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1214—Chemically bonded layers, e.g. cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/04—Characteristic thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—Hydrophilic membranes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249955—Void-containing component partially impregnated with adjacent component
    • Y10T428/249958—Void-containing component is synthetic resin or natural rubbers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249961—With gradual property change within a component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • Y10T428/24998—Composite has more than two layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249981—Plural void-containing components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
IL82108A 1986-04-21 1987-04-03 Composite membranes,their preparation and their use for separating organic compounds of low molecular weight from aqueous,inorganic salt containing solutions IL82108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8609653A GB2189168B (en) 1986-04-21 1986-04-21 Composite membranes useful in the separation of low molecular weight organic compounds from aqueous solutions containing inorganic salts

Publications (2)

Publication Number Publication Date
IL82108A0 IL82108A0 (en) 1987-10-30
IL82108A true IL82108A (en) 1990-09-17

Family

ID=10596539

Family Applications (1)

Application Number Title Priority Date Filing Date
IL82108A IL82108A (en) 1986-04-21 1987-04-03 Composite membranes,their preparation and their use for separating organic compounds of low molecular weight from aqueous,inorganic salt containing solutions

Country Status (7)

Country Link
US (2) US4767645A (de)
EP (1) EP0242761B1 (de)
JP (1) JPS62269705A (de)
KR (1) KR870009742A (de)
DE (1) DE3764523D1 (de)
GB (1) GB2189168B (de)
IL (1) IL82108A (de)

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK169616B1 (da) * 1986-08-27 1994-12-27 Dow Danmark Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf
US4783346A (en) * 1987-12-10 1988-11-08 E. I. Du Pont De Nemours And Company Process for preparing composite membranes
JP2762358B2 (ja) * 1988-08-23 1998-06-04 ザ ダウ ケミカル カンパニー 水の軟化に有効なポリアミド膜の製造方法及び使用
EP0392982B1 (de) * 1989-04-14 1994-12-14 Membrane Products Kiryat Weizmann Ltd. Lösungsmittelbeständige Membranen
US5032282A (en) * 1989-04-14 1991-07-16 Aligena Ag Solvent-stable semipermeable composite membranes
EP0574957B1 (de) * 1989-04-14 2002-01-02 Membrane Products Kiryat Weizmann Ltd. Aus Acrylnitril und Polyvinylidenfluorid abgeleitete Membranen
IL89970A (en) * 1989-04-14 1994-10-21 Weizmann Kiryat Membrane Prod Composite membranes containing a coated layer of crosslinked polyaromatic polymers and/or sulfonated poly (haloalkylenes)
GB8918888D0 (en) * 1989-08-18 1989-09-27 Lrc Products Production of thin walled hollow polymeric articles and polymeric coatings on substrates
DK438689D0 (da) * 1989-09-05 1989-09-05 Danisco Hydrofil membran til anvendelse ved ultrafiltrering eller mikrofiltrering samt fremgangsmaade til fremstilling deraf
US5028394A (en) * 1990-04-13 1991-07-02 Bend Research, Inc. Chemical sensors
NL9001273A (nl) * 1990-06-06 1992-01-02 Tno Semi-permeabel composietmembraan.
US5096561A (en) * 1990-07-02 1992-03-17 Masud Akhtar Thin film ionic conductors, methods and devices
US5019264A (en) * 1990-07-31 1991-05-28 E. I. Du Pont De Nemours And Company Multilayer reverse osmosis membrane of polyamide-urea
JP2505631B2 (ja) * 1990-08-09 1996-06-12 東レ株式会社 複合半透膜およびその製造方法および高純度水の製造方法
US5104729A (en) * 1990-08-20 1992-04-14 Monsanto Company Process for surface modifying a support membrane and product produced
DE4130334A1 (de) * 1991-09-12 1993-03-18 Bayer Ag Verfahren zur abwasserbehandlung
EP0596411A3 (de) * 1992-11-04 1995-01-25 Millipore Corp Zusammengesetzte Ultrafiltrationsmembran.
ES2137349T3 (es) * 1992-11-25 1999-12-16 John Beavis Lasich Produccion de hidrogeno de rendimiento elevado a partir de radiacion solar.
US5589324A (en) * 1993-07-13 1996-12-31 International Paper Company Antistatic layer for photographic elements comprising polymerized polyfunctional aziridine monomers
US6231600B1 (en) 1995-02-22 2001-05-15 Scimed Life Systems, Inc. Stents with hybrid coating for medical devices
US6558798B2 (en) 1995-02-22 2003-05-06 Scimed Life Systems, Inc. Hydrophilic coating and substrates coated therewith having enhanced durability and lubricity
US5702754A (en) * 1995-02-22 1997-12-30 Meadox Medicals, Inc. Method of providing a substrate with a hydrophilic coating and substrates, particularly medical devices, provided with such coatings
US6468649B1 (en) 1995-02-22 2002-10-22 Scimed Life Systems, Inc. Antimicrobial adhesion surface
IL119490A (en) * 1996-10-25 2000-06-01 Weizmann Kiryat Membrane Prod Process for producing a tubular membrane assembly
CA2233815C (en) 1997-04-04 2004-10-26 Geo Specialty Chemicals, Inc. Process for purification of organic sulfonates and novel product
US6132804A (en) * 1997-06-06 2000-10-17 Koch Membrane Systems, Inc. High performance composite membrane
US6536605B2 (en) 1997-06-06 2003-03-25 Koch Membrane Systems, Inc. High performance composite membrane
IL121046A (en) * 1997-06-10 2001-07-24 Weizmann Kiryat Membrane Prod Semipermeable encapsulated membranes with improved acid and base stability and process for their manufacture and their use
US6723422B1 (en) 1997-07-02 2004-04-20 Nitto Denko Corporation Composite reverse osmosis membrane and process for preparing the same
US6149822A (en) * 1999-03-01 2000-11-21 Polymer Ventures, Inc. Bio-film control
US6395189B1 (en) 1999-03-01 2002-05-28 Polymer Ventures, Inc. Method for the control of biofilms
US6258121B1 (en) 1999-07-02 2001-07-10 Scimed Life Systems, Inc. Stent coating
US20030207629A1 (en) * 2002-05-01 2003-11-06 Sobieski Robert T. Highly durable, coated fabrics exhibiting hydrophobicity, oleophobicity and stain resistance and related methods
US20040222157A1 (en) * 2003-02-18 2004-11-11 Minhas Bhupender S. Process for the recovery of sulfuric acid using polymeric membranes
US7976710B2 (en) * 2003-02-18 2011-07-12 Exxonmobil Research And Engineering Company Membrane and process for the recovery of acid
US20050173345A1 (en) * 2004-02-06 2005-08-11 Minhas Bhupender S. Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes
US7837880B2 (en) * 2004-02-06 2010-11-23 Exxonmobil Research And Engineering Company Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes
US7997426B2 (en) * 2004-02-06 2011-08-16 Exxonmobil Research And Engineering Company Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes
US20050211624A1 (en) * 2004-03-23 2005-09-29 Vane Leland M Hydrophilic cross-linked polymeric membranes and sorbents
US20070031611A1 (en) * 2005-08-04 2007-02-08 Babaev Eilaz P Ultrasound medical stent coating method and device
US9101949B2 (en) * 2005-08-04 2015-08-11 Eilaz Babaev Ultrasonic atomization and/or seperation system
US7896539B2 (en) * 2005-08-16 2011-03-01 Bacoustics, Llc Ultrasound apparatus and methods for mixing liquids and coating stents
US7381331B2 (en) * 2005-09-30 2008-06-03 General Electric Company Hydrophilic membrane and associated method
US7291696B2 (en) * 2005-11-04 2007-11-06 General Electric Company Composition and associated method
US7631768B2 (en) * 2005-11-04 2009-12-15 General Electric Company Membrane and associated method
JP4838352B2 (ja) * 2006-05-12 2011-12-14 ダウ グローバル テクノロジーズ エルエルシー 改質膜
KR100783784B1 (ko) 2006-06-07 2007-12-07 (주)에어레인 제습모듈용 유무기 복합중공사막
US20080142616A1 (en) * 2006-12-15 2008-06-19 Bacoustics Llc Method of Producing a Directed Spray
US7806275B2 (en) * 2007-05-09 2010-10-05 The United States Of America As Represented By The Secretary Of The Interior, The Bureau Of Reclamation Chlorine resistant polyamides and membranes made from the same
US7780095B2 (en) * 2007-07-13 2010-08-24 Bacoustics, Llc Ultrasound pumping apparatus
US7753285B2 (en) * 2007-07-13 2010-07-13 Bacoustics, Llc Echoing ultrasound atomization and/or mixing system
US7910012B2 (en) * 2007-07-16 2011-03-22 General Electric Company Composition, membrane, and associated method
US20090239435A1 (en) * 2008-03-19 2009-09-24 General Electric Company Protective suit and methods of manufacture thereof
US8177978B2 (en) * 2008-04-15 2012-05-15 Nanoh20, Inc. Reverse osmosis membranes
CN102149450A (zh) 2008-07-10 2011-08-10 德克萨斯州立大学董事会 具有改进的耐粘污性的水净化膜
US7815987B2 (en) * 2008-12-04 2010-10-19 Dow Global Technologies Inc. Polyamide membrane with coating of polyalkylene oxide and polyacrylamide compounds
SG10201405860RA (en) 2009-01-13 2014-11-27 Ams Technologies Int 2012 Ltd Solvent and acid stable membranes, methods of manufacture thereof and methods of use thereof inter alia for separating metal ions from liquid process streams
CA2766352C (en) * 2009-06-29 2018-09-18 NanoH2O Inc. Improved hybrid tfc ro membranes with nitrogen additives
FR2954180B1 (fr) * 2009-12-18 2012-02-24 Commissariat Energie Atomique Membrane echangeuse de cations a selectivite amelioree, son procede de preparation et ses utilisations.
CN102791365B (zh) * 2010-03-10 2014-12-24 陶氏环球技术有限责任公司 具有包含聚环氧烷和苯乙酮化合物的涂层的聚酰胺膜
US8640886B2 (en) 2010-04-26 2014-02-04 Dow Global Technologies Llc Composite membrane including coating of polyalkylene oxide and triazine compounds
US8757396B2 (en) 2010-05-24 2014-06-24 Dow Global Technologies Llc Composite membrane with coating comprising polyalkylene oxide and oxy-substituted phenyl compounds
US8646616B2 (en) 2010-05-24 2014-02-11 Dow Global Technologies Llc Composite membrane with coating comprising polyalkylene oxide and imidazol compounds
WO2011149571A1 (en) 2010-05-24 2011-12-01 Dow Global Technologies Llc Polyamide membrane with coating comprising polyalkylene oxide and biguanide compounds
EP2637773B1 (de) 2010-11-10 2019-10-30 NanoH2O Inc. Verbesserte hybrid-tfc-ro-membranen mit nichtmetallischen additiven
JP6008870B2 (ja) * 2010-12-12 2016-10-19 ベン‐グリオン ユニバーシティ オブ ザ ネゲヴ リサーチ アンド デベロップメント オーソリティ 陰イオン交換膜、その調製方法および用途
ES2524318T3 (es) * 2011-01-24 2014-12-05 Dow Global Technologies Llc Método para preparar una membrana de poliamida de material compuesto
CN103328081B (zh) * 2011-01-24 2015-08-19 陶氏环球技术有限责任公司 复合聚酰胺膜
WO2012124745A1 (ja) * 2011-03-14 2012-09-20 日本ゴア株式会社 水処理フィルター用濾材およびその製造方法
US8895104B2 (en) * 2011-07-01 2014-11-25 International Business Machines Corporation Thin film composite membranes embedded with molecular cage compounds
US9861940B2 (en) 2015-08-31 2018-01-09 Lg Baboh2O, Inc. Additives for salt rejection enhancement of a membrane
US9737859B2 (en) 2016-01-11 2017-08-22 Lg Nanoh2O, Inc. Process for improved water flux through a TFC membrane
US10155203B2 (en) 2016-03-03 2018-12-18 Lg Nanoh2O, Inc. Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents
KR102220117B1 (ko) 2017-03-24 2021-02-24 도레이첨단소재 주식회사 유량이 향상된 내산성 나노분리막 및 이의 제조방법
US20200261855A1 (en) * 2017-11-09 2020-08-20 The Regents Of The University Of California Asymmetric composite membranes and uses thereof
SG11202004599WA (en) 2017-12-01 2020-06-29 Univ California Biofouling resistant coatings and methods of making and using the same
WO2019154831A1 (en) 2018-02-06 2019-08-15 Aquaporin A/S Tubular membrane, method for preparation thereof, and tubular membrane module
NL2021992B1 (en) * 2018-07-06 2020-01-16 Berghof Membrane Tech Gmbh Method and tubular membrane for performing a forward osmosis processing
WO2020096446A1 (en) * 2018-11-07 2020-05-14 Universiteit Twente Method for creating a porous film through aqueous phase separation
JP7661246B2 (ja) 2019-06-05 2025-04-14 ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア 耐生物付着コーティングならびにその作製および使用方法
CN113769593B (zh) * 2021-07-09 2023-12-29 上海唯赛勃环保科技股份有限公司 一种用于盐湖提锂的纳滤膜及其制备方法
CN115672033B (zh) * 2022-11-02 2024-11-12 万华化学集团股份有限公司 一种抗污染、耐氧化反渗透膜及其制备方法
CN116535786B (zh) * 2023-04-25 2024-06-21 深圳市华之美科技有限公司 用于打印机或复印机的定影膜及其制备方法和用途
CN119455701B (zh) * 2023-08-11 2025-10-28 中国石油化工股份有限公司 耐酸碱分离膜及其制备方法与应用
WO2025051199A1 (zh) * 2023-09-05 2025-03-13 中国石油化工股份有限公司 荷正电耐酸碱复合纳滤膜及其制备方法与应用
CN119406255B (zh) * 2024-11-29 2025-07-08 南京工业大学 一种管状多晶膜的合成后处理方法及得到的膜及其应用

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH471803A (de) 1964-01-17 1969-04-30 Ciba Geigy Verfahren zur Herstellung von 2,4,6,8,9-Pentaaza-bizyclo-(3.3.1)-nonna-2,6-dienen
US3556305A (en) 1968-03-28 1971-01-19 Amicon Corp Composite membrane and process for making same
US3567810A (en) 1968-04-01 1971-03-02 Amicon Corp Process for making high-flow anisotropic membranes
US3615024A (en) 1968-08-26 1971-10-26 Amicon Corp High flow membrane
US4039440A (en) * 1972-09-19 1977-08-02 The United States Of America As Represented By The Secretary Of The Interior Reverse osmosis membrane
JPS518179A (en) 1974-07-11 1976-01-22 Daicel Ltd Sentakutokaseikobunshimakuoyobisono seizoho
US3951815A (en) * 1974-09-05 1976-04-20 Universal Oil Products Company Composite semipermeable membranes made from polyethylenimine
US4228496A (en) 1976-09-07 1980-10-14 Tandem Computers Incorporated Multiprocessor system
JPS5416378A (en) 1977-07-08 1979-02-06 Asahi Chem Ind Co Ltd Polysulfone semipermeable membrane
JPS54151570A (en) 1978-05-22 1979-11-28 Teijin Ltd Selectively permeable composite membrane and its manufacture
JPS5535910A (en) * 1978-09-06 1980-03-13 Teijin Ltd Permselectivity composite membrane and preparation thereof
JPS5554004A (en) * 1978-10-18 1980-04-21 Teijin Ltd Selective permeable membrane and its manufacturing
US4259183A (en) 1978-11-07 1981-03-31 Midwest Research Institute Reverse osmosis membrane
JPS5824304A (ja) 1981-08-07 1983-02-14 Toray Ind Inc 高性能半透性複合膜
JPS5695304A (en) 1979-12-28 1981-08-01 Teijin Ltd Perm selective composite membrane and its production
JPS5727102A (en) * 1980-07-28 1982-02-13 Nitto Electric Ind Co Ltd Composite semipermeable membrane and its production
DE3170223D1 (en) * 1981-01-13 1985-06-05 Teijin Ltd Ion-permeable composite membrane and its use in selective separation
US4360434A (en) * 1981-01-15 1982-11-23 Teijin Limited Amphoteric ion-permeable composite membrane
CH660852A5 (de) * 1982-11-23 1987-05-29 Aligena Ag Dynamische membranen, die sich als duenne polymerschichten auf poroesen, polymeren traegermaterialien befinden.
JPS59173186A (ja) * 1983-03-19 1984-10-01 Nitto Electric Ind Co Ltd 選択的分離方法

Also Published As

Publication number Publication date
JPS62269705A (ja) 1987-11-24
EP0242761A3 (en) 1988-08-10
EP0242761B1 (de) 1990-08-29
KR870009742A (ko) 1987-11-30
IL82108A0 (en) 1987-10-30
GB2189168B (en) 1989-11-29
DE3764523D1 (de) 1990-10-04
US4767645A (en) 1988-08-30
US4833014A (en) 1989-05-23
EP0242761A2 (de) 1987-10-28
GB8609653D0 (en) 1986-05-29
GB2189168A (en) 1987-10-21

Similar Documents

Publication Publication Date Title
IL82108A (en) Composite membranes,their preparation and their use for separating organic compounds of low molecular weight from aqueous,inorganic salt containing solutions
GB8709930D0 (en) Microporous membrane structure
IE902095L (en) Process for preparing ascorbic acid
AU590692B2 (en) 2-azolylmethyl-2-aryl-1, 3-dioxolanes and the salts thereof, processes for the preparation thereof,agents containing same,and the use thereof
AU590691B2 (en) 2-azolylmethyl-2-aryl-1, 3-dioxolanes and the salts thereof,processes for the preparation thereof,agents containing same,and the use thereof
GB2198739B (en) Microporous membrane
PT82129A (en) Process for the preparation of macroemulsions containing at least one solid pyrethroid as active ingredient
IT8620683A0 (it) Composti stabilizzanti polimerici e procedimento per la loro preparazione.
IL99192A0 (en) Copolyamides and copolyimide-amides,their preparation and their use for concentration or separation of organic salts
IL78693A0 (en) Pyridazinium compounds,their preparation and fungicidal and algicidal agents containing them
RU93051566A (ru) Способ извлечения тиоцианата
IT8620297A0 (it) Composti stabilizzanti eprocedimento per la loro preparazione.
AU590700B2 (en) Composite membranes
IL84916A0 (en) Tricyclic 1h-imidazole-5-carboxylic acid derivatives,their preparation and their use as herbicides
IT8619670A0 (it) Composti stabilizzanti polimerici solidi e procedimento per la loro preparazione.
GB8628938D0 (en) Microporous polyetherimide membranes
AU590400B2 (en) 2-azolylmethyl-2-aryl-1, 3-dioxolanes and the salts thereof, processes for the preparation thereof, agents containing same, and the use thereof
EP0253272A3 (en) Addition compounds, process for their preparation and their application
IL84978A0 (en) 1-methyl-1h-imidazole-5-carboxylic acid derivatives,their preparation and their use as herbicides
ZA872443B (en) Bis-tert.butylamino-substituted 1,3,5-triazine derivatives,processes for their preparation,medicaments containing these compounds and their use
IT8522408A0 (it) Composti stabilizzanti polimerici solidi e procedimento per la loro preparazione.
IL83106A0 (en) Imidazole derivatives,their preparation and their use as fungicides
GB2199004B (en) Marine survival system
ZA864514B (en) Benzoyltriazolylacetic or benzoyltriazolylthioacetic acid derivatives,their preparation and biocidal agents containing them
FI93121B (fi) Menetelmä lääkeaineena käyttökelpoisten 5H-pyrido/1',2':4,5/tiadiatsino/2,3-a/bentsimidatsoliumjohdannaisten valmistamiseksi

Legal Events

Date Code Title Description
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees